ARO TWO-BALL PUMP Series Operator's Manual

OPERATOR'S MANUAL
INCLUDING: SPECIFICATIONS, SERVICE KITS, GENERAL INFORMATION, PARTS, TROUBLESHOOTING.
INCLUDE MANUALS: S-632 GENERAL INFORMATION (PN 97999-624)
2" AIR MOTOR
3:1 RATIO
0-450 PSI RANGE
READ THIS MANUAL CAREFULLY BEFORE INSTALLING,
It is the responsibility of the employer to place this information in the hands of the operator. Keep for future reference.

SERVICE KITS

Use only genuine ARO® replacement parts to assure compati-
y
ble pressure rating and longest service life.
637224 Pump Rebuild Kit. Includes the necessary soft parts
y
for normal service of the entire pump.

SPECIFICATIONS

Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 650125-M
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air Operated, Two-Ball,
Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3:1
Air Motor Diameter . . . . . . . . . . . . . . . . 2'' (5.08 cm)
Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . 3" (7.62 cm)
Air Inlet (female) . . . . . . . . . . . . . . . . . . . 1/4 - 18 NPTF
Material Inlet (female) . . . . . . . . . . . . . . 3/4 - 14 NPT
Material Outlet (female) . . . . . . . . . . . . 1/2 - 14 NPTF-1
Pump Construction . . . . . . . . . . . . . . . . Carbon Steel
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 (4.99 Kgs)

PERFORMANCE

Air Inlet Pressure Range . . . . . . . . . . . 0 - 150 psig (0 - 10.3 bar)
Fluid Pressure Range . . . . . . . . . . . . . . . 0 - 450 psig (0 - 31.0 bar)
Maximum Rec'd Cycles / Minute . . . 125
3
Displacement In Per Cycle . . . . . . . . . . 6.2
Volume / Cycle . . . . . . . . . . . . . . . . . . . . . . 3.46 oz. (102.28 ml)
Cycles Per Gallon (Liter) . . . . . . . . . . . . 37 (9.8)
Maximum Working Flow Rate . . . . . . 6 gpm (23 lpm)
Maximum Flow Rate . . . . . . . . . . . . . . . 9 gpm (34 lpm)
Noise Level @ 100 psi - 124 cpm . . . 80.0 dB(A)
Accessories Available . . . . . . . . . . . . . . 61113 Wall Mount Bracket
 The pump sound pressure level has been updated to an Equivalent Continuous
Sound Level (LA ) to meet the intent of ANSI S1.13-1971, CAGI-PNEUROP S5.1
eq
using four microphone locations.
INGERSOLL RAND COMPANY LTD
209 NORTH MAIN STREET - BRYAN, OHIO 43506


(800) 495-0276 FAX (800) 892-6276
arozone.com
650125-M
TWO-BALL PUMP SERIES
CARBON STEEL
OPERATING OR SERVICING THIS EQUIPMENT.
Double Acting Oil Pump

66073-1 Air Line Connection Kit
© 2020

PUMP DATA

Air Inlet
(1/4-18 NPT)
6.960"
(176.784)
NOTE: Dimensions are shown in inches and (mm), supplied for reference only and are
typically rounded up to the nearest 1/16 inch.

IMPORTANT

This is one of four documents which support the pump. Re-
placement copies of these forms are available upon request.
 650125-M Model Operator's Manual (pn 97999-1892)
 S-632 General Information - Air / Hydraulic Operated Industrial
Piston Pumps (pn 97999-624)
650125-M
RELEASED:
(REV: A)
18.132"
(460.548)
Material Outlet
(1/2-14 NPT)
Material Inlet
(3/4-14 NPT)
Figure 1
3-27-20